AliMed® Lap Buddy, 27.5 in. W x 9.5 in. D x 3 in. H, Air Cells, Blue, Inflatable, 1 Each Hydrocollator Moist Heat Packs Special Edition: Black Binaural Black Color:Yellow Special Edition: Black Binaural Black Tubing Black Chestpiece 27 * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Excellent acoustic seal and comfortable fit with patented Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm * High performance single lumen tubing * 3 year warranty Thin discreet design with InstaDri Skin Caring System™ technology for outstanding dryness It fits easily into the wheelchair frame to provide a comfortable forearm and wrist hand rest for light activities such as reading Seamless and easy to clean